2015 BMW 640 3.0L Diesel · 202 BCE

The 2015 BMW 640 presents as roadworthy with a stable maintenance trend. The most recent test on 20 October 2025 at 43,965 miles returned a pass with no defects recorded, continuing a clean run of examinations. Prior to that, the October 2024 cycle showed a pass at 43,374 miles on 7 October after a failed attempt on 3 October at 43,356 miles, though the failure carried no listed defects, indicating an administrative or unrecorded minor rectification rather than a mechanical fault. Mileage sits low for an eleven-year-old vehicle. The record shows 35,357 miles in October 2022, rising to 40,382 by September 2023, then 43,356 by October 2024, and 43,965 by October 2025. That averages roughly 3,997 miles per year. The gap between the 2022 and 2023 tests saw about 5,000 miles added, with subsequent years dropping to under 1,000 annually, suggesting the car spent long periods stationary in later life. Low use and standing time raise specific risks not captured by a clean MOT sheet. Damp storage and inactivity promote corrosion on structural members, subframes, and brake lines even when the tester records no advisories. The buyer should inspect underneath for rust on sills, floor pans, and suspension mounting points, and check brake discs for surface pitting from disuse. The October 2024 fail with zero defects implies the vehicle may have been presented without a required document or minor item corrected same-day. Given the sparse history and low turnover, a pre-purchase inspection should confirm suspension bushes, coil springs, and caliper operation are free of degradation from standing, and verify the emissions system remains within limits under load.